The T-beam erection of the Xiaoanxi Bridge on the Chongqing-Sui double-track expressway has been completed. The bridge is expected to be fully opened to traffic in 2024.

It adopts a left-right split design. The whole bridge has a total of 86 spans. The maximum pier height reaches 92.1 meters. The overall pier height and number of piers of the bridge are high. Many, construction is difficult. The builders innovated process construction methods and developed key technologies.